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Groups > linux.kernel > #1294805
| From | Grygorii Strashko <grygorii.strashko@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4] clocksource: arm_global_timer: fix suspend resume |
| Date | 2015-12-18 14:20 +0100 |
| Message-ID | <qH36W-682-5@gated-at.bofh.it> (permalink) |
| References | <qABn4-79L-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi All, On 11/30/2015 08:25 PM, Grygorii Strashko wrote: > Now the System stall is observed on TI AM437x based board > (am437x-gp-evm) during resuming from System suspend when ARM Global > timer is selected as clocksource device (CPUIdle not enabled) - SysRq are working, > but nothing else. > > The reason of stall is that ARM Global timer loses its contexts during > System suspend: > GT_CONTROL.TIMER_ENABLE = 0 (unbanked) > GT_COUNTERx = 0 > > Hence, update ARM Global timer driver to reflect above behaviour > - re-enable ARM Global timer on resume (GT_CONTROL.TIMER_ENABLE = 1) > if not enabled. > > CC: Arnd Bergmann <arnd@arndb.de> > Cc: John Stultz <john.stultz@linaro.org> > Cc: Felipe Balbi <balbi@ti.com> > Cc: Tony Lindgren <tony@atomide.com> > Cc: Marc Zyngier <marc.zyngier@arm.com> > Reviewed-by: Santosh Shilimkar <ssantosh@kernel.org> > Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Are there any comments? Do I need to perform any additional actions to have it merged? -- regards, -grygorii -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH v4] clocksource: arm_global_timer: fix suspend resume Grygorii Strashko <grygorii.strashko@ti.com> - 2015-12-18 14:20 +0100
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